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A Greenhouse Test to Explore and Evaluate Light-Emitting Diode (LED) Insect Traps in the Monitoring and Control of Trialeurodes vaporariorum

1
State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Beijing 100101, China
2
Harmony Farm, Erdos 017299, China
3
Plant Protection and Quarantine Station of Erdos, Erdos 017000, China
4
College of Life Sciences, University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Insects 2020, 11(2), 94; https://doi.org/10.3390/insects11020094
Received: 17 December 2019 / Revised: 25 January 2020 / Accepted: 29 January 2020 / Published: 1 February 2020
Population control of small sucking insects has been challenging, and alternative control methods are constantly being sought. Visual traps have long been used to monitor and control pests. Colored sticky cards are widely used for diurnal pests, but their effects are influenced by environmental light conditions. Artificial light traps are mostly used for nocturnal pests. Here, we explored and evaluated light-emitting diode (LED) traps for the monitoring and control of small diurnal sucking insects using greenhouse tests targeting the greenhouse whitefly Trialeurodes vaporariorum. We tested the trapping efficacy of the LED water pan trap, assessed the most attractive LED light and analyzed its efficacy under different weather conditions. The results showed that the LED water pan trap was too inefficient to be useful. Green LEDs were more attractive than yellow LEDs, UV LEDs and green-UV combinations. Regardless of sunny or cloudy conditions, the green LED trap caught more than twice the number of whiteflies than the yellow sticky card alone under summer shading conditions. Our study suggests that LED traps have a significant field application value in whitefly mass trapping and may also be efficient for other diurnal insects. The design of LED traps specific for diurnal insects is discussed. View Full-Text
Keywords: attractive light; environment light intensity; field evaluation; light trap; phototaxis attractive light; environment light intensity; field evaluation; light trap; phototaxis
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MDPI and ACS Style

Zhang, J.; Li, H.; Liu, M.; Zhang, H.; Sun, H.; Wang, H.; Miao, L.; Li, M.; Shu, R.; Qin, Q. A Greenhouse Test to Explore and Evaluate Light-Emitting Diode (LED) Insect Traps in the Monitoring and Control of Trialeurodes vaporariorum. Insects 2020, 11, 94.

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